Vulnerability Details : CVE-2023-28803
An authentication bypass by spoofing of a device with a synthetic IP address is possible in Zscaler Client Connector on Windows, allowing a functionality bypass. This issue affects Client Connector: before 3.9.
Products affected by CVE-2023-28803
- cpe:2.3:a:zscaler:client_connector:*:*:*:*:*:windows:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-28803
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 9 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-28803
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.9
|
MEDIUM | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N |
1.6
|
4.2
|
Zscaler, Inc. | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2023-28803
-
This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.Assigned by:
- cve@zscaler.com (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2023-28803
-
https://help.zscaler.com/client-connector/client-connector-app-release-summary-2023
Client Connector App Release Summary (2023) | ZscalerRelease Notes
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